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| author | Jeff Garzik <jgarzik@pobox.com> | 2006-02-09 06:58:59 +0100 |
|---|---|---|
| committer | Jeff Garzik <jgarzik@pobox.com> | 2006-02-09 06:58:59 +0100 |
| commit | cac0e8e8bb2e7a086643bdd00c41d900a79bb4fa (patch) | |
| tree | 73cd85e5529a01fa2338ab6d58b99c36dd666cbe /include/asm-ia64/processor.h | |
| parent | [libata sata_mv] do not enable PCI MSI by default (diff) | |
| parent | Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/... (diff) | |
| download | linux-cac0e8e8bb2e7a086643bdd00c41d900a79bb4fa.tar.xz linux-cac0e8e8bb2e7a086643bdd00c41d900a79bb4fa.zip | |
Merge branch 'master'
Diffstat (limited to 'include/asm-ia64/processor.h')
| -rw-r--r-- | include/asm-ia64/processor.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/include/asm-ia64/processor.h b/include/asm-ia64/processor.h index 09b99029ac1a..23c8e1be1911 100644 --- a/include/asm-ia64/processor.h +++ b/include/asm-ia64/processor.h @@ -559,6 +559,23 @@ ia64_eoi (void) #define cpu_relax() ia64_hint(ia64_hint_pause) +static inline int +ia64_get_irr(unsigned int vector) +{ + unsigned int reg = vector / 64; + unsigned int bit = vector % 64; + u64 irr; + + switch (reg) { + case 0: irr = ia64_getreg(_IA64_REG_CR_IRR0); break; + case 1: irr = ia64_getreg(_IA64_REG_CR_IRR1); break; + case 2: irr = ia64_getreg(_IA64_REG_CR_IRR2); break; + case 3: irr = ia64_getreg(_IA64_REG_CR_IRR3); break; + } + + return test_bit(bit, &irr); +} + static inline void ia64_set_lrr0 (unsigned long val) { |